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Sensors 2008, 8(2), 1222-1236; doi:10.3390/s8021222

Application of GeoWEPP for Determining Sediment Yield and Runoff in the Orcan Creek Watershed in Kahramanmaras, Turkey

1,* , 1
1 and 1
Received: 25 January 2008 / Accepted: 13 February 2008 / Published: 22 February 2008
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The geo-spatial interface of the WEPP model called GeoWEPP uses digital geo-referenced information integrated with the most common GIS tools to predict sedimentyield and runoff. The model determines where and when the sediment yield and runoffoccurs and locates possible deposition places. In this study, the sediment yield and runofffrom Orcan Creek watershed in Kahramanmaras region was estimated by using GeoWEPPmodel. To investigate the performance of the model, the sediment yield and runoff resultsfrom the GeoWEPP model were compared with the observed monthly data collected fromthe sample watershed. The average Root Mean Square Errors (RMSE) between observedand predicted average annual sediment yield and runoff were 2.96 and 8.43, respectively.The index of agreement was 0.98 and 0.99 for sediment yield and runoff, respectively,which indicated that the model predictions provided good results.
Keywords: GeoWEPP; Sediment Yield; Runoff; GIS; Kahramanmaras GeoWEPP; Sediment Yield; Runoff; GIS; Kahramanmaras
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Yüksel, A.; Akay, A.E.; Gundogan, R.; Reis, M.; Cetiner, M. Application of GeoWEPP for Determining Sediment Yield and Runoff in the Orcan Creek Watershed in Kahramanmaras, Turkey. Sensors 2008, 8, 1222-1236.

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